singapore have a big company called SMRT / SBS TRANSIT .
it is the biggest public transport in singapore .
if you want to go anywhere in singapore , can using public transport such as TRAIN , BUS and TAXI
BUT BEFORE THAT , YOU MUST TO BUY CARD at any of SMRT CUSTOMER SERVICE .
if from johor bahru malaysia , you can come in through jb sentral .
then you will need to scan your passspord at malaysia immigration .
then , go to immigration singapore using bus located at down of jb sentral .
you can straight to kranji , newton circus , queen street when using bus there .
the bus number is , 170 , cw5 and cw2 .
after you take bus it will send you to immigration singapore .
there you must to fill in white card .
after you must queue to cop and scan your passpord .
for those who are work permit user , they just need to scan their work permit no need to queue .
you need to scan your luggage and your own body there .
must be remember to take out your belt , if not they will ask to .
after you must to go again queue to get back your bus to straight into your destination .